wikimedia / mediawiki

	 * @param array $existing

	 * @return array

	 */

	private function getLinkInsertions( $existing = [] ) {

		$arr = [];

		foreach ( $this->mLinks as $ns => $dbkeys ) {

			$diffs = isset( $existing[$ns] )

				? array_diff_key( $dbkeys, $existing[$ns] )

				: $dbkeys;

			foreach ( $diffs as $dbk => $id ) {

				$arr[] = [

					'pl_from' => $this->mId,

					'pl_from_namespace' => $this->mTitle->getNamespace(),

					'pl_namespace' => $ns,

					'pl_title' => $dbk

				];

			}

		}

		return $arr;

	}

	/**

	 * Get an array of template insertions. Like getLinkInsertions()

	 * @param array $existing

	 * @return array

	 */

	private function getTemplateInsertions( $existing = [] ) {

		$arr = [];

		foreach ( $this->mTemplates as $ns => $dbkeys ) {

			$diffs = isset( $existing[$ns] ) ? array_diff_key( $dbkeys, $existing[$ns] ) : $dbkeys;

			foreach ( $diffs as $dbk => $id ) {

				$arr[] = [

					'tl_from' => $this->mId,

					'tl_from_namespace' => $this->mTitle->getNamespace(),

					'tl_namespace' => $ns,

					'tl_title' => $dbk

				];

			}

		}

		return $arr;

	}

	/**

	 * Get an array of image insertions